[1] The first high-profile incident that Leeds hooligans were involved in came on 28 May 1975 at the European Cup final against Bayern Munich at the Parc des Princes in Paris, France.

When striker Peter Lorimer had a goal disallowed in a game which ended in a 2–0 defeat to the West German side, and having already seen their team have two penalty appeals rejected by French referee Michel Kitabdjian, scores of Leeds fans ripped seats from the stands and threw them onto the pitch.

It was estimated that more than 1,000 fans became involved in the ensuing riot, which saw seats and advertising hoardings being torn up and used as missiles, 96 policemen being injured and the collapsing wall also crushing several parked motor vehicles beyond repair.

Leeds achieved this with a 1–0 win, but the success was marred by a string of vandalism on town centre pubs and shops as well as a series of battles between hooligans and police officers.

[3] Modern day crackdowns on football hooliganism and the heavy use of CCTV at grounds have, as with other firms, largely curtailed the activities of the Service Crew.

In January 2008 thirteen Leeds United fans were handed football banning orders totalling 45 years after they pleaded guilty to affray in connection with the pitch invasion.